We help protect your accounts from the time you apply

From account opening to banking online and shopping, our features and services help keep you protected.

Citi® Identity Theft Solutions

In the unlikely event you're a victim of identity theft, Citi will work with you every step of the way to help resolve the problem. Learn more.

$0 Liability on Unauthorized Transactions for Consumer Cards

You're protected if you have unauthorized purchases on your account. If you see and promptly report a transaction you didn't authorize on your Citibank&reg consumer debit card or consumer credit cards, you can be assured that you won't be liable for it.

Fraud Detection & Early Warning

As a Citi cardmember, you can be assured that we are constantly trying to improve ways to help safeguard and protect you and your account. Through monitoring of our customers' accounts, we can detect fraud or unauthorized use, often before you are even aware of it. If we notice suspicious activity on your card, we may contact you by phone, text, email* or mail to confirm you have authorized that purchase.

*Note that we will never ask you to provide confidential information through text or email.

Online & Mobile Security

Citi is committed to ensuring the safety of your account information and maintaining the reliability of your account access. From time to time, financial institution websites can be affected by excessive website traffic from malicious sources, which can prevent customers from accessing their accounts online. We are aware of such threats against U.S. banks and want to reassure you that Citi uses advanced technology to help protect you from fraud and continuously monitors our websites to ensure they remain available to our customers. Learn more about how we protect you when you bank with us online or using the Citi Mobile® App.

We help protect your accounts from the time you apply

From account opening to banking online and shopping, our features and services help keep you protected.

Citi® Identity Theft Solutions

In the unlikely event you're a victim of identity theft, Citi will work with you every step of the way to help resolve the problem. Learn more.

$0 Liability on Unauthorized Transactions for Consumer Cards

You're protected if you have unauthorized purchases on your account. If you see and promptly report a transaction you didn't authorize on your Citibank&reg consumer debit card or consumer credit cards, you can be assured that you won't be liable for it.

Fraud Detection & Early Warning

As a Citi cardmember, you can be assured that we are constantly trying to improve ways to help safeguard and protect you and your account. Through monitoring of our customers' accounts, we can detect fraud or unauthorized use, often before you are even aware of it. If we notice suspicious activity on your card, we may contact you by phone, text, email* or mail to confirm you have authorized that purchase.

*Note that we will never ask you to provide confidential information through text or email.

Online & Mobile Security

Citi is committed to ensuring the safety of your account information and maintaining the reliability of your account access. From time to time, financial institution websites can be affected by excessive website traffic from malicious sources, which can prevent customers from accessing their accounts online. We are aware of such threats against U.S. banks and want to reassure you that Citi uses advanced technology to help protect you from fraud and continuously monitors our websites to ensure they remain available to our customers. Learn more about how we protect you when you bank with us online or using the Citi Mobile® App.

A few easy steps can help keep you safe

Learn how to safeguard your computer, avoid e-mail and mobile fraud, and much more.

Protect Yourself from Fraud

A great way to protect yourself from fraud is by becoming educated about the different types of fraud that exist today. Learn how to spot and stop fraud, and steps you can take to prevent fraud on your accounts. Learn more.

Protecting the Elderly from Financial Scams

As senior citizens become more active in online banking, it is important to educate them on scams and viruses to help keep them safe. Learn more about preventing the financial abuse of seniors.

Protect Your Information on Your Computer and Mobile Devices

It's easy to depend on mobile devices for managing your finances. Yet security threats often evolve just as quickly as technology advances and phones and tablets are not immune. Learn about security software and the things you should do to guard your information while at home and away. Learn more.

A few easy steps can help keep you safe

Learn how to safeguard your computer, avoid e-mail and mobile fraud, and much more.

Protect Yourself from Fraud

A great way to protect yourself from fraud is by becoming educated about the different types of fraud that exist today. Learn how to spot and stop fraud, and steps you can take to prevent fraud on your accounts. Learn more.

Protecting the Elderly from Financial Scams

As senior citizens become more active in online banking, it is important to educate them on scams and viruses to help keep them safe. Learn more about preventing the financial abuse of seniors.

Protect Your Information on Your Computer and Mobile Devices

It's easy to depend on mobile devices for managing your finances. Yet security threats often evolve just as quickly as technology advances and phones and tablets are not immune. Learn about security software and the things you should do to guard your information while at home and away. Learn more.

Security Tools

Citi Quick Lock

Misplaced your Citi debit or credit card? You can lock it in the Citi Mobile® App or Citi Online. Citi Quick Lock protects your card without you having to change your account number or go through the steps of ordering a new card. It buys you peace–of–mind and time to find your card. And when you find it, you can unlock it just as easily.

Credit Cards

Instantly block new purchases and cash advances–while allowing recurring transactions such as payments, balance transfers and credits to continue without disruption.

2-Step Authentication

Increase the security of your account by adding an additional step when logging in to both Citi® Online and the Citi Mobile® App. 2-Step Authentication, a required second form of verification each time you login, offers added protection to help keep your account secure, even if someone discovers your password. Enroll here.

Customize Your Account Alerts

Stay on top of your account activity with customized Citi Account Alerts. You can get notifications for transaction details, including if the transaction is made outside of the US, if the card is not present for the purchase, or even if it exceeds the amount set by you. Set up your Account Alerts here.

Go Paperless

Sign up for Paperless to receive statements and other documents digitally only. Going paperless reduces the threat of mail fraud or identity theft. It is also convenient, and best of all, there is no fee to enroll. Enroll in Paperless here.

Virtual Account Numbers for Citi Consumer Credit Cards

Generate a temporary credit card number that makes it virtually impossible for anyone to steal the real one while you're shopping online. By using Virtual Account Numbers, you get peace of mind knowing that your actual credit card number is never revealed to merchants. Plus, each number can only be used with a single merchant, so it will be void if someone tries to use it elsewhere. Any Citi® cardmember with an eligible card who has registered his or her account online at Citicards.com can use Virtual Account Numbers. Virtual Account Numbers are not available for all cards. To access your Virtual Account Number, sign in to your cards account.

FICOfico®Score

With select Citi credit cards, you have free access to your FICOfico® Score. You should check it monthly to look for unexplained changes which may indicate that your personal information has been compromised. Checking your score in the Citi Mobile® App or on Citi® Online — no matter how often — has no impact on it. Learn more about FICOfico® Scores.

Security Tools

Citi Quick Lock

Misplaced your Citi debit or credit card? You can lock it in the Citi Mobile® App or Citi Online. Citi Quick Lock protects your card without you having to change your account number or go through the steps of ordering a new card. It buys you peace–of–mind and time to find your card. And when you find it, you can unlock it just as easily.

Credit Cards

Instantly block new purchases and cash advances–while allowing recurring transactions such as payments, balance transfers and credits to continue without disruption.

2-Step Authentication

Increase the security of your account by adding an additional step when logging in to both Citi® Online and the Citi Mobile® App. 2-Step Authentication, a required second form of verification each time you login, offers added protection to help keep your account secure, even if someone discovers your password. Enroll here.

Customize Your Account Alerts

Stay on top of your account activity with customized Citi Account Alerts. You can get notifications for transaction details, including if the transaction is made outside of the US, if the card is not present for the purchase, or even if it exceeds the amount set by you. Set up your Account Alerts here.

Go Paperless

Sign up for Paperless to receive statements and other documents digitally only. Going paperless reduces the threat of mail fraud or identity theft. It is also convenient, and best of all, there is no fee to enroll. Enroll in Paperless here.

Virtual Account Numbers for Citi Consumer Credit Cards

Generate a temporary credit card number that makes it virtually impossible for anyone to steal the real one while you're shopping online. By using Virtual Account Numbers, you get peace of mind knowing that your actual credit card number is never revealed to merchants. Plus, each number can only be used with a single merchant, so it will be void if someone tries to use it elsewhere. Any Citi® cardmember with an eligible card who has registered his or her account online at Citicards.com can use Virtual Account Numbers. Virtual Account Numbers are not available for all cards. To access your Virtual Account Number, sign in to your cards account.

FICOfico®Score

With select Citi credit cards, you have free access to your FICOfico® Score. You should check it monthly to look for unexplained changes which may indicate that your personal information has been compromised. Checking your score in the Citi Mobile® App or on Citi® Online — no matter how often — has no impact on it. Learn more about FICOfico® Scores.

Contact Us

Citi Customers: report a lost or stolen card, or seek help for identity theft

Want to look for your card before replacing? Lock your card until you find it using Citi Quick Lock

Report a Vulnerability

The safety and security of your account is of the utmost importance to us. If you believe you've discovered a security issue in one of our products or services, please notify us. Please note that we are not encouraging you to hack, or otherwise attempt to gain access to Citi systems in violation of applicable law. Report a Vulnerability

Contact Us

Citi Customers: report a lost or stolen card, or seek help for identity theft

Want to look for your card before replacing? Lock your card until you find it using Citi Quick Lock

Report a Vulnerability

The safety and security of your account is of the utmost importance to us. If you believe you've discovered a security issue in one of our products or services, please notify us. Please note that we are not encouraging you to hack, or otherwise attempt to gain access to Citi systems in violation of applicable law. Report a Vulnerability

Authentication Required

To provide you with extra security, we may need to ask for more information before you can use the feature you selected.

Help & Support

Citi Mobile® App

Citibank.com provides information about and access to accounts and financial services provided by Citibank, N.A. and its affiliates in the United States and its territories.
Terms, conditions and fees for accounts, products, programs and services are subject to change. Not all accounts, products, and services as well as pricing described here are available in all jurisdictions
or to all customers. Your country of citizenship, domicile, or residence, if other than the United States, may have laws, rules, and regulations that govern or affect your application for and use of our
accounts, products and services, including laws and regulations regarding taxes, exchange and/or capital controls that you are responsible for following.

Choose Your Country or Jurisdiction

Important Information

You are leaving a Citi Website and going to a third party site. That site may have a privacy policy different from Citi and may provide less security than this Citi site. Citi and its affiliates are not responsible for the products, services, and content on the third party website. Do you want to go to the third party site?

Citi is not responsible for the products, services or facilities provided and/or owned by other companies.